Air Quality
Excellent
No health implications.
23
PM2.5
35
PM10
38
O3
0.5
CO
8
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
62
Good
Sat
27 Apr
62
Good
Sun
28 Apr
68
Good
Mon
29 Apr
50
Excellent
Tue
30 Apr
52
Good
Wed
1 May
52
Good
Air quality in the last 12 months (Hezhang)
|
2024/02
|
43
|
55
|
37
|
32
|
42
|
28
|
21
|
25
|
54
|
95
|
53
|
55
|
63
|
68
|
43
|
54
|
50
|
32
|
44
|
47
|
72
|
46
|
43
|
26
|
31
|
33
|
36
|
34
|
31
|
||
|
2024/01
|
63
|
35
|
39
|
59
|
57
|
79
|
74
|
52
|
62
|
62
|
41
|
58
|
74
|
73
|
57
|
46
|
37
|
39
|
50
|
66
|
38
|
22
|
41
|
29
|
30
|
32
|
32
|
40
|
59
|
58
|
39
|
|
2023/12
|
25
|
27
|
28
|
29
|
55
|
44
|
55
|
60
|
74
|
52
|
50
|
64
|
34
|
28
|
47
|
32
|
30
|
31
|
42
|
58
|
56
|
48
|
61
|
44
|
75
|
101
|
103
|
104
|
77
|
96
|
93
|
|
2023/11
|
64
|
62
|
55
|
37
|
35
|
41
|
56
|
58
|
50
|
53
|
48
|
37
|
23
|
30
|
18
|
41
|
61
|
50
|
52
|
60
|
64
|
40
|
71
|
76
|
50
|
41
|
56
|
60
|
58
|
49
|
|
|
2023/10
|
27
|
25
|
25
|
26
|
19
|
17
|
20
|
18
|
18
|
22
|
30
|
27
|
17
|
24
|
34
|
36
|
40
|
42
|
26
|
31
|
42
|
45
|
53
|
48
|
40
|
31
|
22
|
29
|
28
|
40
|
53
|
|
2023/09
|
34
|
44
|
40
|
40
|
37
|
40
|
41
|
41
|
38
|
34
|
32
|
27
|
28
|
30
|
46
|
49
|
42
|
30
|
31
|
23
|
22
|
20
|
21
|
21
|
22
|
24
|
25
|
21
|
23
|
24
|
|
|
2023/08
|
23
|
23
|
27
|
23
|
25
|
27
|
18
|
23
|
23
|
24
|
28
|
24
|
27
|
39
|
38
|
34
|
33
|
37
|
35
|
40
|
35
|
33
|
33
|
25
|
19
|
19
|
30
|
42
|
49
|
27
|
31
|
|
2023/07
|
33
|
27
|
29
|
31
|
32
|
31
|
34
|
26
|
27
|
23
|
24
|
21
|
23
|
29
|
42
|
38
|
40
|
38
|
23
|
23
|
26
|
25
|
30
|
24
|
28
|
24
|
22
|
21
|
21
|
28
|
27
|
|
2023/06
|
33
|
26
|
26
|
23
|
22
|
33
|
40
|
34
|
33
|
34
|
33
|
31
|
35
|
32
|
28
|
24
|
27
|
28
|
29
|
38
|
29
|
28
|
28
|
32
|
37
|
40
|
36
|
36
|
29
|
29
|
|
|
2023/05
|
55
|
51
|
40
|
50
|
61
|
38
|
29
|
25
|
17
|
18
|
21
|
28
|
35
|
38
|
43
|
41
|
50
|
46
|
46
|
35
|
44
|
29
|
48
|
56
|
51
|
37
|
39
|
36
|
43
|
48
|
42
|
|
2023/04
|
38
|
46
|
37
|
41
|
41
|
30
|
48
|
51
|
65
|
63
|
63
|
63
|
73
|
43
|
37
|
63
|
72
|
48
|
42
|
41
|
57
|
47
|
27
|
22
|
32
|
51
|
50
|
43
|
46
|
52
|
|
|
2023/03
|
61
|
42
|
29
|
54
|
68
|
74
|
75
|
35
|
42
|
62
|
61
|
31
|
28
|
51
|
71
|
72
|
52
|
46
|
38
|
48
|
37
|
41
|
43
|
28
|
29
|
40
|
24
|
31
|
22
|
37
|
52
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution